Answer:
440
Step-by-step explanation:
42 because 3 tens is 30 and 12 ones is 12. so you do 30 + 12 = 42
C.(5,5,10)
1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, ... 5, 10, 13, 15, 17, 20, 26, 29, 30, 34, 35, ... 25, 50, 75, 100, 150, 169, 175, 200, 225, ...
